ATCPiM: Analog to Time Coded Processing in Memory for IoT at the Edge

Sakib, Mohammad Nazmus; Sreekumar, Rahul; Verma, Vishal; Tracy, Tommy; Stan, Mircea R.

doi:10.1109/wf-iot51360.2021.9595467

Cited by 1 publication

(1 citation statement)

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“…The reason behind this is that the inputs are directly applied to the programmable logic block, and the output is a direct function of the applied inputs. However, it should be noted that the read unit can be shared among the programmable logic blocks similar to the design proposed in [29], [30]. The area efficiency of the proposed LUT compared to the conventional LUT will largely depend on the CMOS technology node as the proposed LUT area is dominated by the transistors.…”

Section: Discussionmentioning

confidence: 99%

SSRL: Single Skyrmion Reconfigurable Logic Utilizing 2-D Magnus Force on Magnetic Racetracks

Sakib

Vakili

Ganguly

et al. 2022

IEEE J. Explor. Solid-State Comput. Devices Circuits

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Magnetic racetrack memory has frequently been complicated by the pinning of domain wall bits on the one hand and the need to engineer precise synchronization and inter-track repulsion between skyrmionic bits on the other. Such proposals, however, do not capitalize on the complex two-dimensional motion of skyrmions, such as transverse Magnus force that tends to deviate the skyrmion trajectory from rectilinear motion along the current drive. The transverse deviation associated with such a skyrmion Hall effect is normally considered a liability for skyrmions, and efforts have focused on eliminating rather than utilizing it for proposed device applications. We propose a simple single skyrmion-based circuit macro with elementary and higher-order logic gates that utilize Magnus force and propose reconfigurable logic built on these gates. We demonstrate the reliability of the proposed approach with micromagnetics simulation. The energy consumption in this circuit lies mainly in the overhead, with the racetrack consuming a small fraction. The energy-delay-product (EDP) is correspondingly low and can be improved by boosting the skyrmion speed.

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Section: Discussionmentioning

confidence: 99%